Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 45, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 28, 1997, 8:50 AM CDT for LaMoure County, North Dakota. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1997, 8:50 AM CDT (13:50 UTC)
- Expired
- Jun 28, 1997, 9:30 AM CDT
- In force
- 40 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County LaMoure County, ND
The radar
The Aberdeen radar (KABR), 112 km from the middle of the area, began a volume at 13:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 1.8 hours before the alert went out and 169 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2256 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- -116 m²/s²
- 0-3 km storm-relative helicity
- -214 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBIS 281350 RRA
SVRBIS
NDC045-281430-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
850 AM CDT SAT JUN 28 1997
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 930 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE SOUTHEAST PART OF NORTH DAKOTA
EASTERN LA MOURE
THIS WARNING REPLACES THE TORNADO WARNING FOR EASTERN LA MOURE
COUNTY. AT 845 AM CDT DOPPLER WEATHER RADAR INDICATED A SEVERE
THUNDERSTORM 36 MILES SOUTH OF JAMESTOWN OR NEAR THE TOWN OF
LAMOURE. THE STORM WAS MOVING SOUTHEAST AT 25 MPH AND HAS A
HISTORY OF PRODUCING GOLFBALL SIZE HAIL. LOCALIZED FLOODING RAINS
ARE ALSO POSSIBLE. TOWNS NEAR TTHE PATH INCLUDE LAMOURE.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.
LEBLANGWhat forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 28, 3:40 AM CDT, 5 hours 10 minutes before
NDZ045-280945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 340 AM CDT SAT JUN 28 1997 AT 335 AM CDT A STRONG THUNDERSTORM WAS LOCATED OVER EXTREME NORTHERN SIOUX COUNTY NEAR BREIN...OR 35 MILES SOUTH SOUTHWEST OF BISMARCK. THIS STORM WILL CONTAIN BRIEF HEAVY RAIN AND SMALL HAIL. THE STORM WAS MOVING NORTHEAST AT 20 MPH. TURNER
Special weather statement, Jun 28, 3:45 AM CDT, 5 hours 5 minutes before
NDZ045-280945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 340 AM CDT SAT JUN 28 1997 AT 335 AM CDT A STRONG THUNDERSTORM WAS LOCATED OVER EXTREME NORTHERN SIOUX COUNTY NEAR BREIN...OR 35 MILES SOUTH SOUTHWEST OF BISMARCK. THIS STORM WILL CONTAIN BRIEF HEAVY RAIN AND SMALL HAIL. THE STORM WAS MOVING NORTHEAST AT 20 MPH. TURNER
Special weather statement, Jun 28, 5:00 AM CDT, 3 hours 50 minutes before
NDZ001>053-MNZ001>003-282130- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 500 AM CDT SAT JUN 28 1997 ...THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS IN THE EXTREME SOUTHERN PORTION OF WEST AND CENTRAL NORTH DAKOTA TODAY... FORECAST...THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH DAKOTA TODAY. DISCUSSION...A STATIONARY FRONT FROM EASTERN NORTH DAKOTA...SOUTHWEST ALONG THE SOUTH DAKOTA BORDER WILL PROVIDE A FOCUSING MECHANISM FOR THUNDERSTORM DEVELOPMENT TODAY. THE ATMOSPHERE REMAINS MOIST AND WITH DAYTIME HEATING ANY THUNDERSTORMS THAT DO DEVELOP NEAR THE FRONT HAVE THE POTENTIAL TO REACH SEVERE LIMITS. WEATHER SPOTTERS FROM WILLISTON TO MINOT WILL LIKELY NOT BE NEEDED TODAY. SPOTTERS IN THE DICKINSON...BISMARCK AND JAMESTOWN AREAS SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE THUNDERSTORMS...MAINLY ALONG THE SOUTHERN TIER COUNTIES. IF CONDITIONS CHANGE...AN UPDATED STATEMENT WILL BE ISSUED LATER THIS MORNING. THIS PRODUCT IS FOR PLANNING PURPOSES ONLY. LISTEN FOR LATER FORECASTS AND POSSIBLE WARNING. TWH
Special weather statement, Jun 28, 5:00 AM CDT, 3 hours 50 minutes before
NDZ001>053-MNZ001>003-282130- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 500 AM CDT SAT JUN 28 1997 ...THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS IN THE EXTREME SOUTHERN PORTION OF WEST AND CENTRAL NORTH DAKOTA TODAY... FORECAST...THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH DAKOTA TODAY. DISCUSSION...A STATIONARY FRONT FROM EASTERN NORTH DAKOTA...SOUTHWEST ALONG THE SOUTH DAKOTA BORDER WILL PROVIDE A FOCUSING MECHANISM FOR THUNDERSTORM DEVELOPMENT TODAY. THE ATMOSPHERE REMAINS MOIST AND WITH DAYTIME HEATING ANY THUNDERSTORMS THAT DO DEVELOP NEAR THE FRONT HAVE THE POTENTIAL TO REACH SEVERE LIMITS. WEATHER SPOTTERS FROM WILLISTON TO MINOT WILL LIKELY NOT BE NEEDED TODAY. SPOTTERS IN THE DICKINSON...BISMARCK AND JAMESTOWN AREAS SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE THUNDERSTORMS...MAINLY ALONG THE SOUTHERN TIER COUNTIES. IF CONDITIONS CHANGE...AN UPDATED STATEMENT WILL BE ISSUED LATER THIS MORNING. THIS PRODUCT IS FOR PLANNING PURPOSES ONLY. LISTEN FOR LATER FORECASTS AND POSSIBLE WARNING. TWH
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 8:17 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 43 min |
| Jun 28, 7:50 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 40 min |
| Jun 28, 8:17 AM CDT | Tornado Warning | BIS | LaMoure | 28 min |
| Jun 28, 8:38 AM CDT | Severe Thunderstorm Warning | BIS | Dickey | 67 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.